./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:19,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:19,133 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:56:19,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:19,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:19,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:19,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:19,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:19,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:19,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:19,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:19,193 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:19,194 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:19,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:19,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:19,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:19,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:19,197 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:19,197 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:19,198 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:19,198 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:19,199 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:19,199 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:19,200 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:19,200 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:19,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:19,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:19,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:19,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:19,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:19,204 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:19,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:19,205 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:19,205 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a779d95d64b7b3ae1a801430dde2c7d15b3372c5d0cdd47679441a42687631 [2023-11-19 02:56:19,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:19,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:19,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:19,558 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:19,559 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:19,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2023-11-19 02:56:22,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:23,158 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:23,160 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i [2023-11-19 02:56:23,191 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/data/c2ba1dba5/7e626a3d53fb4fe0a6a7453742e2e316/FLAG64d5ccca5 [2023-11-19 02:56:23,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/data/c2ba1dba5/7e626a3d53fb4fe0a6a7453742e2e316 [2023-11-19 02:56:23,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:23,217 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:23,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:23,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:23,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:23,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69057cb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:23, skipping insertion in model container [2023-11-19 02:56:23,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:23" (1/1) ... [2023-11-19 02:56:23,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:23,829 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[33021,33034] [2023-11-19 02:56:23,983 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[44590,44603] [2023-11-19 02:56:24,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:24,025 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:24,058 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[33021,33034] [2023-11-19 02:56:24,121 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test3-2.i[44590,44603] [2023-11-19 02:56:24,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:24,191 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:24,199 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:24,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24 WrapperNode [2023-11-19 02:56:24,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:24,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:24,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:24,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:24,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,277 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,357 INFO L138 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1524 [2023-11-19 02:56:24,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:24,359 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:24,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:24,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:24,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:24,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:24,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:24,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:24,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:24" (1/1) ... [2023-11-19 02:56:24,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:24,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:24,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:24,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:24,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:56:24,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:56:24,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 02:56:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 02:56:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 02:56:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 02:56:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-19 02:56:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 02:56:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:24,915 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:24,917 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:26,565 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:28,448 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:28,448 INFO L302 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-19 02:56:28,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:28 BoogieIcfgContainer [2023-11-19 02:56:28,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:28,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:28,464 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:28,474 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:28,475 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:28" (1/1) ... [2023-11-19 02:56:28,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:28,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 146 states and 248 transitions. [2023-11-19 02:56:28,569 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 248 transitions. [2023-11-19 02:56:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:56:28,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:28,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:28,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:28,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 146 states and 243 transitions. [2023-11-19 02:56:28,957 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 243 transitions. [2023-11-19 02:56:28,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:56:28,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:28,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:29,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 148 states and 245 transitions. [2023-11-19 02:56:29,271 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 245 transitions. [2023-11-19 02:56:29,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:56:29,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:29,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:29,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 148 states and 243 transitions. [2023-11-19 02:56:29,456 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 243 transitions. [2023-11-19 02:56:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:56:29,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:29,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:29,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 148 states and 239 transitions. [2023-11-19 02:56:29,607 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 239 transitions. [2023-11-19 02:56:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:56:29,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:29,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:29,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:29,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 148 states and 233 transitions. [2023-11-19 02:56:29,766 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2023-11-19 02:56:29,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:56:29,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:29,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:56:29,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:56:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:39,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 02:56:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:40,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2023-11-19 02:56:40,044 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2023-11-19 02:56:40,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:56:40,044 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 02:56:40,053 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-11-19 02:56:40,069 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:40,074 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:40,074 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2023-11-19 02:56:40,080 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-19 02:56:40,082 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:40,082 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:40,082 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:40,082 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:40,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:56:40 ImpRootNode [2023-11-19 02:56:40,083 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:56:40,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:56:40,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:56:40,084 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:56:40,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:28" (3/4) ... [2023-11-19 02:56:40,086 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:56:40,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 02:56:40,091 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 02:56:40,127 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 239 nodes and edges [2023-11-19 02:56:40,130 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2023-11-19 02:56:40,132 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 02:56:40,135 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 02:56:40,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:56:40,384 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:56:40,384 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:56:40,385 INFO L158 Benchmark]: Toolchain (without parser) took 17167.97ms. Allocated memory was 138.4MB in the beginning and 327.2MB in the end (delta: 188.7MB). Free memory was 74.9MB in the beginning and 147.3MB in the end (delta: -72.4MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. [2023-11-19 02:56:40,385 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory was 102.2MB in the beginning and 102.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:40,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 979.26ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 74.6MB in the beginning and 127.4MB in the end (delta: -52.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-19 02:56:40,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.44ms. Allocated memory is still 184.5MB. Free memory was 127.4MB in the beginning and 118.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 02:56:40,387 INFO L158 Benchmark]: Boogie Preprocessor took 207.68ms. Allocated memory is still 184.5MB. Free memory was 118.0MB in the beginning and 108.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:56:40,387 INFO L158 Benchmark]: RCFGBuilder took 3894.60ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 108.5MB in the beginning and 141.0MB in the end (delta: -32.4MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. [2023-11-19 02:56:40,388 INFO L158 Benchmark]: CodeCheck took 11619.68ms. Allocated memory was 247.5MB in the beginning and 327.2MB in the end (delta: 79.7MB). Free memory was 141.0MB in the beginning and 165.2MB in the end (delta: -24.2MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2023-11-19 02:56:40,388 INFO L158 Benchmark]: Witness Printer took 300.52ms. Allocated memory is still 327.2MB. Free memory was 165.2MB in the beginning and 147.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 02:56:40,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 146 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 448 SdHoareTripleChecker+Valid, 10.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 198 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 902 GetRequests, 898 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 769 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 750]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 703]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory was 102.2MB in the beginning and 102.1MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 979.26ms. Allocated memory was 138.4MB in the beginning and 184.5MB in the end (delta: 46.1MB). Free memory was 74.6MB in the beginning and 127.4MB in the end (delta: -52.8MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.44ms. Allocated memory is still 184.5MB. Free memory was 127.4MB in the beginning and 118.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 207.68ms. Allocated memory is still 184.5MB. Free memory was 118.0MB in the beginning and 108.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3894.60ms. Allocated memory was 184.5MB in the beginning and 247.5MB in the end (delta: 62.9MB). Free memory was 108.5MB in the beginning and 141.0MB in the end (delta: -32.4MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. * CodeCheck took 11619.68ms. Allocated memory was 247.5MB in the beginning and 327.2MB in the end (delta: 79.7MB). Free memory was 141.0MB in the beginning and 165.2MB in the end (delta: -24.2MB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Witness Printer took 300.52ms. Allocated memory is still 327.2MB. Free memory was 165.2MB in the beginning and 147.3MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 02:56:40,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3afa6bd-fa39-4a9e-99ce-dd621919b9d0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE